/*
 * @Author: C.
 * @Date: 2021-07-21 09:45:18
 * @LastEditTime: 2022-10-14 21:39:36
 * @Description: file content
 */
// 去除空格
function trim(str, pos = "both") {
  if (typeof str !== "string") return str;
  if (pos == "both") {
    return str.replace(/^\s+|\s+$/g, "");
  } else if (pos == "left") {
    return str.replace(/^\s*/, "");
  } else if (pos == "right") {
    return str.replace(/(\s*$)/g, "");
  } else if (pos == "all") {
    return str.replace(/\s+/g, "");
  } else {
    return str;
  }
}
export default trim;
